<template>
  <div class="app-container sys-dept" v-loading="loadingAll">
    <el-form :model="queryParams" ref="queryForm" :inline="true" v-show="showSearch">
      <el-form-item label="" prop="deptName">
        <el-input
          v-model="queryParams.deptName"
          placeholder="请输入部门名称"
          clearable
          size="small"
          @keyup.enter.native="handleQuery"
        />
      </el-form-item>
      <el-form-item label="" prop="status">
        <el-select v-model="queryParams.status" placeholder="部门状态" clearable size="small">
          <el-option
            v-for="dict in dict.type.sys_normal_disable"
            :key="dict.value"
            :label="dict.label"
            :value="dict.value"
          />
        </el-select>
      </el-form-item>
      <el-form-item>
        <el-button type="primary" icon="el-icon-search" size="mini" @click="handleQuery">搜索</el-button>
        <el-button icon="el-icon-refresh" size="mini" @click="resetQuery">重置</el-button>
      </el-form-item>
    </el-form>

    <el-row :gutter="10" class="mb8">
      <!--<el-col :span="1.5">
        <el-button
          type="primary"
          plain
          icon="el-icon-plus"
          size="mini"
          @click="handleAdd"
          v-hasPermi="['system:dept:add']"
        >新增</el-button>
      </el-col>-->
      <el-col :span="1.5">
        <el-button
          type="info"
          plain
          icon="el-icon-sort"
          size="mini"
          @click="toggleRowExpansion"
        >展开/折叠</el-button>
      </el-col>
      <right-toolbar :isShowSearch="false" @queryTable="getList"></right-toolbar>
    </el-row>

    <div class="my-table">
      <el-table
        v-if="refreshTable"
        v-loading="loading"
        height="85%"
        ref="dataTreeList"
        :data="deptList"
        :expand-row-keys="tableExpandData"
        row-key="deptId"
        lazy
        :load="load"
        @row-click="(row,column,e)=>clickRowLoad(row,column,e)"
        :default-expand-all="isExpandAll"
        :tree-props="{children: 'children', hasChildren: 'hasChildren'}"
      >
        <el-table-column prop="deptName" label="部门名称" width="460">
          <template slot-scope="scope">
            <span :title="scope.row.deptFallName">{{scope.row.deptName}}</span>
          </template>
        </el-table-column>
        <el-table-column prop="orderNum" label="排序" align="center"></el-table-column>
        <el-table-column prop="status" label="状态" align="center" width="100">
          <template slot-scope="scope">
            <dict-tag :options="dict.type.sys_normal_disable" :value="scope.row.status"/>
          </template>
        </el-table-column>
        <el-table-column label="创建时间" align="center" prop="createTime" width="200">
          <template slot-scope="scope">
            <span>{{ parseTime(scope.row.createTime) }}</span>
          </template>
        </el-table-column>
        <el-table-column label="操作" width="160" align="center" fixed="right" class-name="small-padding fixed-width">
          <template slot-scope="scope">
            <el-button
              size="mini"
              type="text"
              icon="el-icon-edit"
              @click="handleUpdate(scope.row)"
              v-hasPermi="['system:dept:edit']"
            >修改</el-button>
            <el-button
              size="mini"
              type="text"
              icon="el-icon-edit"
              @click="handleUpdateOrgType(scope.row)"
              v-hasPermi="['system:dept:edit']"
            >更新机构类型</el-button>
            <!--<el-button
              size="mini"
              type="text"
              icon="el-icon-plus"
              @click="handleAdd(scope.row)"
              v-hasPermi="['system:dept:add']"
            >新增</el-button>
            <el-button
              v-if="scope.row.parentId != 0"
              size="mini"
              type="text"
              icon="el-icon-delete"
              @click="handleDelete(scope.row)"
              v-hasPermi="['system:dept:remove']"
            >删除</el-button>-->
          </template>
        </el-table-column>
      </el-table>
    </div>

    <!-- 添加或修改部门对话框 -->
    <el-dialog :title="title" :visible.sync="open" width="600px" append-to-body>
      <el-form ref="form" :model="form" :rules="rules" label-width="80px">
        <el-row>
          <el-col :span="24" v-if="form.parentId !== 0">
            <el-form-item label="上级部门" prop="parentId">
              <treeselect v-model="form.parentId" :options="deptOptions" :normalizer="normalizer" disabled placeholder="选择上级部门" />
            </el-form-item>
          </el-col>
        </el-row>
        <el-row>
          <el-col :span="12">
            <el-form-item label="部门名称" prop="deptName">
              <el-input v-model="form.deptName" placeholder="请输入部门名称" />
            </el-form-item>
          </el-col>
          <el-col :span="12">
            <el-form-item label="显示排序" prop="orderNum">
              <el-input-number v-model="form.orderNum" controls-position="right" :min="0" />
            </el-form-item>
          </el-col>
        </el-row>
        <el-row>
          <el-col :span="12">
            <el-form-item label="负责人" prop="leader">
              <el-input v-model="form.leader" placeholder="请输入负责人" maxlength="20" />
            </el-form-item>
          </el-col>
          <el-col :span="12">
            <el-form-item label="联系电话" prop="phone">
              <el-input v-model="form.phone" placeholder="请输入联系电话" maxlength="11" />
            </el-form-item>
          </el-col>
        </el-row>
        <el-row>
          <el-col :span="12">
            <el-form-item label="邮箱" prop="email">
              <el-input v-model="form.email" placeholder="请输入邮箱" maxlength="50" />
            </el-form-item>
          </el-col>
          <el-col :span="12">
            <el-form-item label="部门状态">
              <el-radio-group v-model="form.status">
                <el-radio
                  v-for="dict in dict.type.sys_normal_disable"
                  :key="dict.value"
                  :label="dict.value"
                >{{dict.label}}</el-radio>
              </el-radio-group>
            </el-form-item>
          </el-col>
        </el-row>

        <el-row>
          <el-col :span="12">
            <el-form-item label="机构类型">
              <el-select
                v-model="form.orgType"
                placeholder="请选择组织机构类型"
                style="width: 200px"
                clearable
                size="small"
              >
                <el-option
                  v-for="dict in orgTypeOptions"
                  :key="dict.value"
                  :label="dict.label"
                  :value="dict.value"
                />
              </el-select>
            </el-form-item>
          </el-col>
          <el-col :span="12">
            <el-form-item label="虚拟机构">
              <el-select
                v-model="form.isVirtualDept"
                placeholder="是否虚拟机构"
                style="width: 200px"
                clearable
                size="small"
              >
                <el-option
                  v-for="dict in isVirtualDept"
                  :key="dict.value"
                  :label="dict.label"
                  :value="dict.value"
                />
              </el-select>
            </el-form-item>
          </el-col>
        </el-row>
      </el-form>
      <div slot="footer" class="dialog-footer">
        <el-button type="primary" @click="submitForm">确 定</el-button>
        <el-button @click="cancel">取 消</el-button>
      </div>
    </el-dialog>

    <!--修改部门类型-->
    <updateOrgType ref="updateOrgType" @getList="getList"></updateOrgType>
  </div>
</template>

<script>
import { listDept, getDept, delDept, addDept, updateDept, listDeptExcludeChild, deptSync } from "@/api/system/dept";
import updateOrgType from "./updateOrgType";
import { treeselect } from "@/api/system/dept";
import Treeselect from "@riophae/vue-treeselect";
import "@riophae/vue-treeselect/dist/vue-treeselect.css";

export default {
  name: "Dept",
  dicts: ['sys_normal_disable'],
  components: { Treeselect, updateOrgType },
  data() {
    return {
      // 遮罩层
      loading: true,
      // 整体遮罩层
      loadingAll: false,
      // 显示搜索条件
      showSearch: true,
      // 表格树数据
      deptList: [],
      tableDataCopy: [],
      // 部门树选项
      deptOptions: [],
      // 弹出层标题
      title: "",
      // 是否显示弹出层
      open: false,
      // 是否展开，默认全部展开
      isExpandAll: false,
      // 默认展开表格的第一级数据
      tableExpandData:[],
      // 重新渲染表格状态
      refreshTable: true,
      // 查询参数
      queryParams: {
        deptName: undefined,
        status: undefined
      },
      // orgTypeOptions
      orgTypeOptions: [{
        label:'机构',
        value:'org'
      },{
        label:'部门',
        value:'dept'
      }],
      // orgTypeOptions
      isVirtualDept: [{
        label:'是',
        value:'1'
      },{
        label:'否',
        value:'0'
      }],
      // 表单参数
      form: {},
      // 表单校验
      rules: {
        parentId: [
          { required: true, message: "上级部门不能为空", trigger: "blur" }
        ],
        deptName: [
          { required: true, message: "部门名称不能为空", trigger: "blur" }
        ],
        orderNum: [
          { required: true, message: "显示排序不能为空", trigger: "blur" }
        ],
        email: [
          {
            type: "email",
            message: "请输入正确的邮箱地址",
            trigger: ["blur", "change"]
          }
        ],
        phone: [
          {
            pattern: /^1[3|4|5|6|7|8|9][0-9]\d{8}$/,
            message: "请输入正确的手机号码",
            trigger: "blur"
          }
        ]
      },
      isExpansion: true,
      maps: new Map(),  // 用来记录每个层级懒加载函数的参数
      selectRow: null,
      treeChildren: null
    };
  },
  created() {
    this.getList();
  },
  methods: {
    // 展开
    load (tree, treeNode, resolve) {
      // 层级关系备份
      const idCopy = JSON.parse(JSON.stringify(tree.idList))
      // 查找下一层数据
      let resolveArr = this.tableDataCopy
      let id
      // eslint-disable-next-line
      while (id = tree.idList.shift()) {
        const tarItem = resolveArr.find(item => item.deptId === id)
        tarItem.loadedChildren = true
        resolveArr = tarItem.children
      }

      // 处理下一层数据的属性
      resolveArr = JSON.parse(JSON.stringify(resolveArr))
      resolveArr.forEach(item => {
        item.hasChildren = item.children && item.children.length > 0
        item.children = null
        // 此处需要深拷贝，以防各个item的idList混乱
        item.idList = JSON.parse(JSON.stringify(idCopy))
        item.idList.push(item.deptId)
      })

      // 标识已经加载子节点
      tree.loadedChildren = true

      tree.children = resolveArr
      this.treeChildren = resolveArr

      // 渲染子节点
      resolve(resolveArr)

    },
    handleRefresh() {
      const newItemData = Object.assign({}, this.form);
      this.deptList = this.changeDeptList(this.deptList, newItemData)
    },
    changeDeptList(sourceNodeArr, curNode) {
      sourceNodeArr.forEach( item => {
        if (item.deptId === curNode.deptId) {
          Object.assign(item, curNode);
        }else {
          if(item.children && item.children.length>0) {
            this.changeDeptList(item.children, curNode)
          }
        }
      })
      return sourceNodeArr;
    },
    clickRowLoad(row, c, e) {
      if(e.currentTarget.firstElementChild.firstElementChild.firstElementChild.tagName=='DIV'){
        e.currentTarget.firstElementChild.firstElementChild.firstElementChild.click()
      } else {
        e.currentTarget.firstElementChild.firstElementChild.firstElementChild.nextElementSibling.click()
      }
    },
    /** 查询部门列表 */
    getList() {
      this.loading = true;
      listDept(this.queryParams).then(res => {
        let originData = this.handleTree(res.data, "deptId");
        this.loading = false;

        this.tableDataCopy = originData || [] // 备份的全量数据
        this.deptList = JSON.parse(JSON.stringify(originData)).map(item => { // 展示数据
          // hasChildren 表示需要展示一个箭头图标
          item.hasChildren = item.children && item.children.length > 0
          // 只展示一层
          // 如果有children数据，会自动加载，就不是懒加载了，也可以配置tree-props里面的children为其他字段
          item.children = null
          // 记住层级关系
          item.idList = [item.deptId]
          return item
        })
        // 设置展开树的第一级
        this.$nextTick(() => {
          document.getElementsByClassName('el-table__expand-icon')[0].click();
        });
      });
    },
    /** 转换部门数据结构 */
    normalizer(node) {
      if (node.children && !node.children.length) {
        delete node.children;
      }
      return {
        id: node.deptId,
        label: node.deptName,
        children: node.children
      };
    },
    // 取消按钮
    cancel() {
      this.open = false;
      this.reset();
    },
    // 表单重置
    reset() {
      this.form = {
        deptId: undefined,
        parentId: undefined,
        deptName: undefined,
        orderNum: undefined,
        leader: undefined,
        phone: undefined,
        email: undefined,
        orgType: undefined,
        isVirtualDept: undefined,
        status: "0"
      };
      this.resetForm("form");
    },
    /** 搜索按钮操作 */
    handleQuery() {
      this.getList();
    },
    /** 重置按钮操作 */
    resetQuery() {
      this.resetForm("queryForm");
      this.handleQuery();
    },
    /** 新增按钮操作 */
    handleAdd(row) {
      this.reset();
      if (row != undefined) {
        this.form.parentId = row.deptId;
      }
      this.open = true;
      this.title = "添加部门";
      listDept().then(response => {
        this.deptOptions = this.handleTree(response.data, "deptId");
      });
    },
    /** 展开/折叠操作 */
    // 切换数据表格树形展开
    toggleRowExpansion() {
      this.isExpansion = !this.isExpansion;
      this.toggleRowExpansionAll(this.deptList, this.isExpansion);
    },
    toggleRowExpansionAll(data, isExpansion) {
      data.forEach((item) => {
        this.$refs.dataTreeList.toggleRowExpansion(item, isExpansion);
        if (item.children !== undefined && item.children !== null) {
          this.toggleRowExpansionAll(item.children, isExpansion);
        }
      });
    },
    /** 修改按钮操作 */
    handleUpdate(row) {
      this.selectRow = row;
      this.reset();
      getDept(row.deptId).then(response => {
        this.form = response.data;

        this.form.children = this.selectRow.hasChildren?this.treeChildren:null;

        this.open = true;
        this.title = "修改部门";
      });
      listDeptExcludeChild(row.deptId).then(response => {
        this.deptOptions = this.handleTree(response.data, "deptId");
      });
    },
    // 更新机构类型
    handleUpdateOrgType(row) {
      getDept(row.deptId).then(response => {
        this.form = response.data;
        this.$refs.updateOrgType.init({'form': this.form});
      });
    },
    /** 提交按钮 */
    submitForm: function() {
      this.$refs["form"].validate(valid => {
        if (valid) {
          if (this.form.deptId != undefined) {
            updateDept(this.form).then(response => {
              this.$modal.msgSuccess("修改成功");
              this.open = false;
              // TODO
              this.handleRefresh();
            });
          } else {
            addDept(this.form).then(response => {
              this.$modal.msgSuccess("新增成功");
              this.open = false;
              this.getList();
            });
          }
        }
      });
    },
    /** 删除按钮操作 */
    handleDelete(row) {
      this.$modal.confirm('是否确认删除名称为"' + row.deptName + '"的数据项？').then(function() {
        return delDept(row.deptId);
      }).then(() => {
        this.getList();
        this.$modal.msgSuccess("删除成功");
      }).catch(() => {});
    }
  }
};
</script>
<style lang="scss" scoped>
  .sys-dept {
    .my-table {
      height: calc(100vh - 150px);
    }
  }
</style>
